How to debug in production Debugging in production has always been something that we try our best to avoid, with multiple QA phases, staging environments, and automation to stop production bugs. Despite this, occasionally a bug will find its way … Read More
Technical Blogs
Troubleshooting high CPU usage in Java environments
How to troubleshoot high CPU usage In this scenario, our CPU is spinning at an abnormally high rate. We will then take a look at FusionReactor and see how it picks up this issue. For the test environment, we are … Read More
Parse Variable Patterns using Regex
What is parsing? Parsing is a very important process when handling logs because it lets users filter logs in useful ways. Unstructured logs can easily be shared into attribute (key/value) pairs, which helps to create improved alerts and charts. There … Read More
How to Parse JSON data in JavaScript
Assuming that you’ve used a web app before, there is a strong possibility that it uses JSON format to create a framework, store and transmit data between its servers and connected devices. JavaScript Object Notation, which is popularly known as … Read More
FusionReactor 8.7.7 Released
FusionReactor 8.7.7 has been released. With enhancements including improved alert emails, SpringBoot fixes, and more. Enhancements to Crash Protection API and DB time can now be found in both the request log and Crash Protection emails, making it easier to … Read More
New beta release – log alerting
Our most powerful alerting engine Log Alerting is now in beta and all beta users will immediately have access to this powerful query-based alerting engine. Set alerts on FusionReactor logs and ingested third-party logs. Your log data can be used … Read More
How to use Log Dashboards to gain actionable insight
How to use Log Dashboards to gain actionable insight Logs have many valuable functions; they contain a considerable amount of data. Using log query languages such as LogQL allows you to get fantastic insights, but they rely on running queries … Read More
Diagnosing a server attack using logs
Diagnosing a server attack using logs Imagine that your server is under attack. How would you diagnose the issue and understand its impact? You may have been aware of previous attacks and have seen significant spikes coming into your server. … Read More
Using logs to easily diagnose a server crash
Reasons for a server crash Java can crash in several ways and for several reasons. Sometimes it’s not easy to diagnose a server crash. For example, Your JVM may still be operational, but you cannot process requests anymore. Part of your application breaks … Read More
Finding hidden exceptions in your application
What are hidden errors and why do you need to find them? Hidden exceptions can occur by design. For example, adding a try-catch block into your code is an easy way to prevent errors from displaying to your users and … Read More
